load the emergency shuttle in late mapping (#30854)

* load the emergency shuttle in late mapping

* fix lints

* register the late loading docking port properly

* fix logging

code/controllers/subsystem/SSshuttles.dm

@@ -24,7 +24,6 @@ SUBSYSTEM_DEF(shuttle)
 
 	//emergency shuttle stuff
 	var/obj/docking_port/mobile/emergency/emergency
-	var/obj/docking_port/mobile/emergency/backup/backup_shuttle
 	var/emergencyCallTime = SHUTTLE_CALLTIME	//time taken for emergency shuttle to reach the station when called (in deciseconds)
 	var/emergencyDockTime = SHUTTLE_DOCKTIME	//time taken for emergency shuttle to leave again once it has docked (in deciseconds)
 	var/emergencyEscapeTime = SHUTTLE_ESCAPETIME	//time taken for emergency shuttle to reach a safe distance after leaving station (in deciseconds)
@@ -63,8 +62,6 @@ SUBSYSTEM_DEF(shuttle)
 	var/transit_utilized = 0
 
 /datum/controller/subsystem/shuttle/Initialize()
-	if(!backup_shuttle)
-		WARNING("No /obj/docking_port/mobile/emergency/backup placed on the map!")
 	if(!supply)
 		WARNING("No /obj/docking_port/mobile/supply placed on the map!")
 
@@ -143,17 +140,8 @@ SUBSYSTEM_DEF(shuttle)
 
 /datum/controller/subsystem/shuttle/proc/requestEvac(mob/user, call_reason)
 	if(!emergency)
-		WARNING("requestEvac(): There is no emergency shuttle, but the shuttle was called. Using the backup shuttle instead.")
-		if(!backup_shuttle)
-			WARNING("requestEvac(): There is no emergency shuttle, or backup shuttle!\
-			The game will be unresolvable.This is possibly a mapping error, \
-			more likely a bug with the shuttle \
-			manipulation system, or badminry. It is possible to manually \
-			resolve this problem by loading an emergency shuttle template \
-			manually, and then calling register() on the mobile docking port. \
-			Good luck.")
-			return
-		emergency = backup_shuttle
+		WARNING("requestEvac(): There is no emergency shuttle, but the shuttle was called. Loading a default shuttle.")
+		load_initial_emergency_shuttle("emergency_cyb")
 
 	if(secondsToRefuel())
 		to_chat(user, "The emergency shuttle is refueling. Please wait another [abs(round(((world.time - SSticker.round_start_time) - refuel_delay)/600))] minutes before trying again.")
@@ -196,14 +184,6 @@ SUBSYSTEM_DEF(shuttle)
 
 	return
 
-
-// Called when an emergency shuttle mobile docking port is
-// destroyed, which will only happen with admin intervention
-/datum/controller/subsystem/shuttle/proc/emergencyDeregister()
-	// When a new emergency shuttle is created, it will override the
-	// backup shuttle.
-	emergency = backup_shuttle
-
 /datum/controller/subsystem/shuttle/proc/cancelEvac(mob/user)
 	if(canRecall())
 		emergency.cancel(get_area(user))
@@ -591,6 +571,26 @@ SUBSYSTEM_DEF(shuttle)
 	SIGNAL_HANDLER
 	transit_utilized -= (source.width + 2) * (source.height + 2)
 
+/datum/controller/subsystem/shuttle/proc/load_initial_emergency_shuttle(shuttle_id)
+	if(emergency)
+		log_debug("requested to load initial emergency shuttle when one already exists")
+		return
+
+	var/obj/docking_port/docking_port = SSshuttle.getDock("emergency_away")
+	if(!istype(docking_port))
+		log_debug("could not find docking port")
+		return
+
+	var/datum/map_template/shuttle/shuttle_template = GLOB.shuttle_templates[shuttle_id]
+	if(!shuttle_template)
+		log_debug("could not find shuttle template")
+		return
+
+	var/obj/docking_port/mobile/mobile_port = SSshuttle.load_template(shuttle_template)
+	mobile_port.dock(docking_port, force = TRUE)
+	mobile_port.register()
+	emergency = mobile_port
+
 #undef CALL_SHUTTLE_REASON_LENGTH
 #undef MAX_TRANSIT_REQUEST_RETRIES
 #undef MAX_TRANSIT_TILE_COUNT

code/controllers/subsystem/non_firing/SSlate_mapping.dm

@@ -14,12 +14,19 @@ SUBSYSTEM_DEF(late_mapping)
 	GLOB.air_alarms = sortAtom(GLOB.air_alarms)
 	GLOB.apcs = sortAtom(GLOB.apcs)
 
+	// Load an emergency shuttle at centcom
+	if(SSmapping.emergency_shuttle_id)
+		SSshuttle.load_initial_emergency_shuttle(SSmapping.emergency_shuttle_id)
+	else
+		WARNING("no valid emergency shuttle template was set in SSmapping")
+
 	if(SSmapping.trader_shuttle_id)
 		var/template = new SSmapping.trader_shuttle_id()
 		SSshuttle.set_trader_shuttle(template)
 	else
 		WARNING("no valid trader shuttle template was set in SSmapping")
 
+	// Load a Gamma Armoury shuttle at Centcom.
 	if(SSmapping.gamma_armory_shuttle_id)
 		SSshuttle.load_initial_gamma_armory_shuttle(SSmapping.gamma_armory_shuttle_id)
 	else

code/controllers/subsystem/non_firing/SSmapping.dm

@@ -12,6 +12,8 @@ SUBSYSTEM_DEF(mapping)
 	var/datum/map_template/shuttle/trader_shuttle_id = /datum/map_template/shuttle/trader/synthetic
 	/// The Gamma Armory shuttle to load at Centcom in late_mapping.
 	var/gamma_armory_shuttle_id = "gamma_armory_base"
+	/// The emergency shuttle to load at Centcom in late_mapping
+	var/emergency_shuttle_id = "emergency_cyb"
 	/// List of all areas that can be accessed via IC means
 	var/list/teleportlocs
 	/// List of all areas that can be accessed via IC and OOC means